
NASA @NASA
š Part of @NASAPersevereās mission is to survey Marsā geology for signs of ancient life, but what does that entail? Where will she search? Find out in this episode of #EZScience with @Dr_ThomasZ of NASA & @EllenStofan of @AirAndSpace: https://t.co/vaiFHq8A3l #CountdownToMars https://t.co/92yLvdVjoE — PolitiTweet.org